<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>入门案例</title>

    <style>
        /*body{
            background: url("学生/1001068.jpg");
        }*/
        h1{
            text-align: center;
            color: green;
            font-size: 100px;
        }
       div{
           color: red;
       }
        .cls{
            color: black;
        }
        #id{
            color: pink;
        }
    </style>
</head>
<body>

<h1>啦啦啦啦</h1>
<h1 style="color: black" >嘎嘎嘎</h1>
<h1  id="id" ><font size=50px>猛男专用</font></h1>


</body>
</html>